
.login-container {
    height: calc(100% - 50px);

    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.3); /* 半透明黑色背景，与背景图协调 */
}

.login-dialog {
    width: 400px;
    height: 400px;
    /* 删除背景样式 */
    border-radius: 10px;
}

/* 标题 */
.login-dialog h3 {
    text-align: center;
    padding: 50px 0;
    font-size: 36px; /* 增大字体大小 */
}

/* 针对一行设置样式 */
.login-dialog .row {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-dialog .row span {
    width: 100px;
    font-weight: 700;
    color: white; /* 让输入提示文字颜色凸显 */
    font-size: 22px; /* 让输入提示文字大小凸显 */
}

#username, #password {
    width: 200px;
    height: 40px;

    font-size: 20px;
    line-height: 40px;
    padding-left: 10px;
    border: none;
    outline: none;
    border-radius: 10px;
}

#submit {
    width: 300px;
    height: 50px;
    background-color: #3498db; /* 蓝色按钮，与整体风格一致 */
    color: white;
    border: none;
    outline: none;
    border-radius: 10px;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}
#submit:hover {
    background-color: #2980b9; /* 鼠标悬停时颜色加深 */
}
#submit:active {
    background-color: #2471a3; /* 鼠标点击时颜色进一步加深 */
}